Friday the 13th Part 2(1981)

One month after the killings Alice the survior from part 1 she is never seen again. Now five years have passed since the slaying of the Camp Blood Killer. Camp Crystal Lake is closed down but on the other side of the lake, another summer camp is ready for business. Among the counselors and a very rugged and authorative Paul Holt the legend is passed around that a boy once drowned in the lake back in the 50's due to neglegence and that the mother took her revenge on anyone who tried to run the now defunct summer camp. After a night of partying a new killing menace arrives on the scene to take out the camp crew one by one. Is it the vengful mother or has the young boy returned from his watery grave?